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diff --git a/vendor/drush/drush/commands/core/drupal/pm.inc b/vendor/drush/drush/commands/core/drupal/pm.inc
new file mode 100644
index 000000000..0a64d2d6f
--- /dev/null
+++ b/vendor/drush/drush/commands/core/drupal/pm.inc
@@ -0,0 +1,162 @@
+<?php
+
+use Drush\Log\LogLevel;
+
+/**
+ * Command callback. Disable one or more extensions.
+ */
+function _drush_pm_disable($args) {
+  $extension_info = drush_get_extensions();
+
+  // classify $args in themes, modules or unknown.
+  $modules = array();
+  $themes = array();
+  drush_pm_classify_extensions($args, $modules, $themes, $extension_info);
+  $extensions = array_merge($modules, $themes);
+  $unknown = array_diff($args, $extensions);
+
+  // Discard and set an error for each unknown extension.
+  foreach ($unknown as $name) {
+    drush_log('DRUSH_PM_ENABLE_EXTENSION_NOT_FOUND', dt('!extension was not found and will not be disabled.', array('!extension' => $name)), LogLevel::WARNING);
+  }
+
+  // Discard already disabled extensions.
+  foreach ($extensions as $name) {
+    if (!$extension_info[$name]->status) {
+      if ($extension_info[$name]->type == 'module') {
+        unset($modules[$name]);
+      }
+      else {
+        unset($themes[$name]);
+      }
+      drush_log(dt('!extension is already disabled.', array('!extension' => $name)), LogLevel::OK);
+    }
+  }
+
+  // Discard default theme.
+  if (!empty($themes)) {
+    $default_theme = drush_theme_get_default();
+    if (in_array($default_theme, $themes)) {
+      unset($themes[$default_theme]);
+      drush_log(dt('!theme is the default theme and can\'t be disabled.', array('!theme' => $default_theme)), LogLevel::OK);
+    }
+  }
+
+  if (!empty($modules)) {
+    // Add enabled dependents to the list of modules to disable.
+    $dependents = drush_module_dependents($modules, $extension_info);
+    $dependents = array_intersect($dependents, drush_module_list());
+    $modules = array_merge($modules, $dependents);
+
+    // Discard required modules.
+    $required = drush_drupal_required_modules($extension_info);
+    foreach ($required as $module) {
+      if (isset($modules[$module])) {
+        unset($modules[$module]);
+        $info = $extension_info[$module]->info;
+        // No message for hidden modules.
+        if (!isset($info['hidden'])) {
+          $explanation = !empty($info['explanation']) ? ' ' . dt('Reason: !explanation.', array('!explanation' => strip_tags($info['explanation'])))  : '';
+          drush_log(dt('!module is a required module and can\'t be disabled.', array('!module' => $module)) . $explanation, LogLevel::OK);
+        }
+      }
+    }
+  }
+
+  // Inform the user which extensions will finally be disabled.
+  $extensions = array_merge($modules, $themes);
+  if (empty($extensions)) {
+    return drush_log(dt('There were no extensions that could be disabled.'), LogLevel::OK);
+  }
+  else {
+    drush_print(dt('The following extensions will be disabled: !extensions', array('!extensions' => implode(', ', $extensions))));
+    if(!drush_confirm(dt('Do you really want to continue?'))) {
+      return drush_user_abort();
+    }
+  }
+
+  // Disable themes.
+  if (!empty($themes)) {
+    drush_theme_disable($themes);
+  }
+
+  // Disable modules and pass dependency validation in form submit.
+  if (!empty($modules)) {
+    drush_module_disable($modules);
+  }
+
+  // Inform the user of final status.
+  $result_extensions = drush_get_named_extensions_list($extensions);
+  $problem_extensions = array();
+  foreach ($result_extensions as $extension) {
+    if (!$extension->status) {
+      drush_log(dt('!extension was disabled successfully.', array('!extension' => $extension->name)), LogLevel::OK);
+    }
+    else {
+      $problem_extensions[] = $extension->name;
+    }
+  }
+  if (!empty($problem_extensions)) {
+    return drush_set_error('DRUSH_PM_DISABLE_EXTENSION_ISSUE', dt('There was a problem disabling !extension.', array('!extension' => implode(',', $problem_extensions))));
+  }
+}
+
+/**
+ * Command callback. Uninstall one or more modules.
+ */
+function _drush_pm_uninstall($modules) {
+  drush_include_engine('drupal', 'environment');
+  $module_info = drush_get_modules();
+  $required = drush_drupal_required_modules($module_info);
+
+  // Discards modules which are enabled, not found or already uninstalled.
+  foreach ($modules as $key => $module) {
+    if (!isset($module_info[$module])) {
+      // The module does not exist in the system.
+      unset($modules[$key]);
+      drush_log(dt('Module !module was not found and will not be uninstalled.', array('!module' => $module)), LogLevel::WARNING);
+    }
+    else if ($module_info[$module]->status) {
+      // The module is enabled.
+      unset($modules[$key]);
+      drush_log(dt('!module is not disabled. Use `pm-disable` command before `pm-uninstall`.', array('!module' => $module)), LogLevel::WARNING);
+    }
+    else if ($module_info[$module]->schema_version == -1) { // SCHEMA_UNINSTALLED
+      // The module is uninstalled.
+      unset($modules[$key]);
+      drush_log(dt('!module is already uninstalled.', array('!module' => $module)), LogLevel::OK);
+    }
+    else {
+      $dependents = array();
+      foreach (drush_module_dependents(array($module), $module_info) as $dependent) {
+        if (!in_array($dependent, $required) && ($module_info[$dependent]->schema_version != -1)) {
+          $dependents[] = $dependent;
+        }
+      }
+      if (count($dependents)) {
+        drush_log(dt('To uninstall !module, the following modules must be uninstalled first: !required', array('!module' => $module, '!required' => implode(', ', $dependents))), LogLevel::ERROR);
+        unset($modules[$key]);
+      }
+    }
+  }
+
+  // Inform the user which modules will finally be uninstalled.
+  if (empty($modules)) {
+    return drush_log(dt('There were no modules that could be uninstalled.'), LogLevel::OK);
+  }
+  else {
+    drush_print(dt('The following modules will be uninstalled: !modules', array('!modules' => implode(', ', $modules))));
+    if(!drush_confirm(dt('Do you really want to continue?'))) {
+      return drush_user_abort();
+    }
+  }
+
+  // Uninstall the modules.
+  drush_module_uninstall($modules);
+
+  // Inform the user of final status.
+  foreach ($modules as $module) {
+    drush_log(dt('!module was successfully uninstalled.', array('!module' => $module)), LogLevel::OK);
+  }
+}
+